CVE-2020-6148

CVE-2020-6148 maps to Pixar OpenUSD 20.05. The vulnerability is a set of heap overflow flaws in the USD binary file format when processing compressed sections (FIELDS, FIELDSETS, PATHS, SPECS) in USDC/USD files. The root cause is incorrect buffer sizing during decompression reads, where read size...

CVE-2020-6148

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. An instance exists in USDC file format FIELDSETS section decompression heap overflow...

CVE-2020-6147

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. This instance exists in the USDC file format FIELDS section decompression heap overflow...

CVE-2020-6147

Pixar OpenUSD 20.05 vulnerability CVE-2020-6147 involves heap overflow when parsing USDC binary sections with compression. Four compressed sections (FIELDS, FIELDSETS, PATHS, SPECS) can trigger overflows because allocated buffers depend on file-provided counts while read sizes come from the same ...

CVE-2020-6156

Pixar OpenUSD 20.05 is affected by multiple heap overflow vulnerabilities in the USDC/USD binary file format handling. The issues occur when parsing compressed sections (FIELDS, FIELDSETS, PATHS, SPECS) and path element data, where decompres­sion buffers are sized from file-provided counts and th...

CVE-2020-6156

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file in an instance USDC file format path element token index...

CVE-2020-6155

A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to access an...

CVE-2020-6155

Pixar OpenUSD 20.05 binary file format vulnerability: two code paths (compressed integer and floating-point arrays) can trigger a heap-based buffer overflow while decoding the reps array in binary USD files. The overflow arises when a size read from the file and a later, larger size are used to a...

CVE-2020-6150

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software USDC file format SPECS section decompression heap overflow...

CVE-2020-6150

Four heap overflow CVEs in Pixar OpenUSD 20.05 related to USDC file format decompression of SPECS, FIELDS, FIELDSETS, and PATHS sections. TALOS-2020-1094 details exact code paths (crateFile.cpp) where unvalidated section sizes and mismatched ReadContiguous/decompression buffers allow heap-based o...

Vulnerability Spotlight: Multiple vulnerabilities in Pixar OpenUSD affects some versions of macOS

Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Aleksandar Nikolic and Jon Munshaw. Pixar OpenUSD contains multiple vulnerabilities that attackers could exploit to carry out a variety of malicious actions. OpenUSD stands for “Open Universal Scene Descriptor.” Pixar use...

Pixar OpenUSD Binary File Format Token Strings Information Leak Vulnerability

Summary A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 parsing of compressed string tokens in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in out of bounds memory access which could lead to information disclosure. This...

Pixar OpenUSD SDF layer path remote code execution

Summary A use-after-free vulnerability exists in a way Pixar OpenUSD 20.08 processes reference paths textual USD files. A specially crafted file can trigger the reuse of a freed memory which can result in further memory corruption and arbitrary code execution. To trigger this vulnerability, the...

Pixar OpenUSD binary file format compressed sections code execution vulnerabilities

Summary A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in remote code execution. To trigger this vulnerability, the victim needs to open a...

Pixar OpenUSD binary file format specs memory corruption

Summary An out-of-bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 uses SPECS data from binary USD files. A specially crafted malformed file can trigger an out-of-bounds memory access and modification which results in memory corruption. To trigger this vulnerability, t...

Pixar OpenUSD binary file format offset seek information leak vulnerability

Summary An exploitable vulnerability exists in the way Pixar OpenUSD 20.05 handles file offsets in binary USD files. A specially crafted malformed file can trigger an arbitrary out-of-bounds memory access that could lead to the disclosure of sensitive information. This vulnerability could be used...

Pixar OpenUSD binary file format index type values information leak vulnerability

Talos Vulnerability Report TALOS-2020-1105 Pixar OpenUSD binary file format index type values information leak vulnerability November 12, 2020 CVE Number CVE-2020-13498,CVE-2020-13496,CVE-2020-13497 SUMMARY An exploitable vulnerability exists in the way Pixar OpenUSD 20.05 handles parses certain...

Pixar OpenUSD Binary File Format Compressed Value Reps Code Execution Vulnerabilities

Summary A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 while parsing compressed value rep arrays in binary USD files. A specially crafted malformed file can trigger a heap overflow, which can result in remote code execution. To trigger this vulnerability, the victim needs to acce...

Pixar OpenUSD Binary File Format Decompressed Path Rebuilding Memory corruption

Summary An out of bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 reconstructs paths from binary USD files. A specially crafted malformed file can trigger an out of bounds memory modification which can result in remote code execution. To trigger this vulnerability,...